関連ワード:  how to join 2 strings in python    how to add 2 strings in python    how to concatenate 2 strings in python    how to join multiple strings in python    how to merge 2 strings in python    how to append 2 strings in python    how to connect 2 strings in python    how to add multiple strings in python    how to concatenate multiple strings in python    how to append multiple strings in python